Matthew Spencer Books

Elected Friends

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Robert Frost and Edward Thomas met in a bookshop in London in 1913. During the next four years, the two writers—Frost, an unknown poet who had sold his farm in New Hampshire in order to take...

Athos

By Matthew Spencer

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Alia Terra

By Matthew Spencer, Ava Kelly

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Michael Jackson

By Matthew Spencer

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Hitler Weimar and the Failure of German Democracy 1918 1933

By Matthew Spencer

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Queen Elizabeth II

By Matthew Spencer

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Leaves of Absence

By Matthew Spencer

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Loa

By Matthew Spencer

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Leaves of Absence

By Matthew Spencer

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Exploiting Children

By Matthew Spencer

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.